ISW Single Stage Centrifugal Water Pumps

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General Introduction of ISW Single Stage Centrifugal Water Pumps

ISW Single Stage Centrifugal Water Pump  is single-stage, single-suction, pipeline centrifugal pump.
 
It derives the ISWR hot-water pump, iswh chemical pump, and iswb oil pump. Now it is the national popularize products.
 
Usage of ISW Single Stage Centrifugal Water Pumps 
1. ISW HORIZONTAL clean water pumps for transporting the clean water and other liquid like clean water. It is suitable for industry and city drain, the garden irrigation, long-distance water, heating, bathroom heating, such as pressurized water and equipment. The usage temperature: ≤80oC.
 
2. ISWR HORIZONTAL hot water pump is mainly used in oil chemical industry, metallurgy, paper making, and for the hotel boiler, long-distance water, heating, bathroom heating, such as pressurized water and equipment. The ISW temperature: ≤120oC.
 
3. ISWH HORIZONTAL chemical pump for delivery of non-solid particles, corrosive, liquid that has similar viscosity as water, apply to the petroleum,chemical,metallurgical,power,papermaking,pharmaceutical and food sectors such as synthetic fiber, Use the temperature of 20~+120oC
 
4. ISWB HORIZONTAL pipeline oil pump can transport the oil, coal oil, diesel oil solvent and flammable liquids. The medium temperature: -20~120oC
 
Techanical Data of ISW Single Stage Centrifugal Water Pumps 
♦ Working Principle: Centrifugal
♦ Main applications: Water
♦ Driver: Electric Motor
♦ Max Liquid Temperature: 120oC
♦ Type of connection: Flange
♦ Casing Material: cast iron, stainless steel
♦ Impeller Material: cast iron, stainless steel, bronze
♦ Seal: mechanical seal, packing seal
♦ Flow Range: 1.5 - 1500m³/h
♦ Head: 8 - 110m
♦ Size: 15-500mm
♦ Speed: 1450rpm/2900rpm/960rpm
 
Model Meaning of ISW Single Stage Centrifugal Water Pumps 
ISW100-160(I)AB
ISG-Horizontal centrifugal pump
100-Inlet diameter;Outlet diameter(mm)
160-Impeller nominal diameter(mm)
I-Flow classification
AB-Impeller is first or second cut.

 

FAQ

Q: Are CNBM pumps available in DIY stores?

A: Yes, currently, we’re available for DIY stores all over the world.

Q: Where do I have to send pumps for service?

A: You must send them to the CNBM PUMP Service Point or, after contacting Customer Care, to the CNBM PUMP service center in China.

Q: Are your pumps acid-proofed?

A: To choose the right pumps for chemical applications, we do need further details on hydraulic operations as well as on the type, concentration and temperature of the liquid.

Q: Can your pumps mount Eff.1 motors

A: Currently, only on request though this will shortly be a CNBM standard.

Q: Are your pumps protected against dry running?

A: No, unprotected centrifugal pumps are not generally designed for dry running. It is important to give us or your dealer as much information as possible about the system in which the pump is used. Inlet pressure, the type of liquid to be pumped, together with relative density, viscosity and temperature, for example, are required in order to allow CNBM to recommend the right pump with the right gaskets for a long operating lifetime.

Q: How can I get trained on CNBM products?

A: Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.

ISW Single Stage Centrifugal Water Pumps

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Q:About how to calculate the pump installation height?
When the water temperature is 4 degrees centigrade, the water pump is installed on the theoretical height of 10.33 meters, is the atmospheric pressure to the hydraulic pump inlet to the level of theory, in practical engineering, the water flow in the pipeline will produce resistance and other factors, the actual installation height generally less than 7 meters. The installation height limit of the pump shall be less than the design suction stroke of the pump.
Q:What is the water pump population pre rotation, what harm?
Is the entrance of water flow in the formation of complex turbulent flow, flow direction, shock, vibration, easy to damage the front entrance device, such as vane impeller, shaft sleeve, sealing element.
Q:Why does the water pump leak?
The leakage of water pump is caused by many factors:1, the axial movement of the bearings (axial clearance is too large, resulting in static and dynamic ring open. Leak water.2, and automotive cooling liquid is also related to, if the pH of the coolant is large, will corrode the water seal of the surface, resulting in leakage.3, and the user's use is also related, and some users do not properly maintain, add an unclean coolant, resulting in impurities in the coolant. Accumulation in the water seal surface, destroy the water seal torus, forming water leakage.
Q:Yang Chengtai big, the pump power is too small, the water pump will be bad?
Generally not only affect water output, followed by what water pump. Generally small water pump buried too much, sealed less than required, easy to water, causing the motor to burn down.
Q:1.5 kW three-phase pump with 600 meters line, should match what big line?
Do you want to see the line loss how much pressure drop, if you want to ensure the working voltage of certain you pump, 600m pressure drop should be two-way, namely power press 1200m, press 380V, 1.5KW working current is calculated according to 3A R=, according to the resistivity * length / cross-sectional area of =0.0175*1200/S=21/S, and the loss of pressure drop =R*I=21*3/S=63/S, S take 3, loss of pressure drop is about 20V, the comprehensive economic cost, take 3 more appropriate, if you are willing to take 5, 6 are never mind, the thicker the loss is smaller.
Q:How to introduce water pump?
Using the results of 1, in the past, the general company will make a performance table, in which use the same type of pump operating conditions and you almost use down till now there have been no problem, what you can say.2, reliability. Power plants may care more about the reliability of the equipment than on the price of the pump. Of course, the technology and procurement of power plants are not stupid. They will weigh it themselves.3, pump efficiency. Because the general pump special large pump involves a power plant called "factory power consumption" index, the smaller the better the index, and your pump if it is efficient, it will reduce the target, the power plant may be interested.4, if you want to sell the pumps have their own technical characteristics, you can also be appropriate to describe it, but if you are a salesman, but the technology is not very proficient in it, and the best little power plant technical personnel, because they ask if you can not answer, its effect is counterproductive.
Q:What is the difference between a low pressure pump and a high pressure pump?
The magnitude of the pressure at the outlet side of the pump
Q:Why is the water pump smaller than the pipe diameter?
The size is only a matter of convenience or experience, and a small number of tubes are already available. As long as you can pick it up, you can use it.The so-called thick pipe to reduce resistance is a certain relationship. But it shouldn't be your decision to choose the big one. Then why don't you choose the big three? Four or the thicker ones?! @! The resistance will be smaller!!!!- - - - - - - - - - - - - - layman; look at the knowledge of fluid mechanics!!!The question is a conclusion, explain why not one or two words, learn the knowledge of fluid mechanics to know why -- try to answer it, that is to improve the water pump outlet total pressure head, intuitive feeling is to have enough pressure to pump out the water pressure. As for the big three or four, it is necessary to ensure that the flow velocity in the pipe is more uniform, otherwise the flow near the pipe wall will flow or flow too slowly due to viscous action.
Q:Relationship between pump voltage and lift?
In the case of power, W=F*S. That is, the work done per unit time pump = the gravity of the water flow * the displacement of the waterIt can be seen that:1, the power is certain, the head and the flow is inversely proportional.2, the greater the power, the greater the product of the head and flow.Therefore, when the flow is minimum, the pump head is the maximum; when the head is the minimum, the flow is the maximum.
Q:What's the meaning of a single-stage pump?
I. meaning:Single stage and multistage refers to the number of impellers. Generally equal lift and flow, multi-stage pump than single stage pump power is low, that is, to save power, and high efficiency, long life.Two, how to distinguish?:Water pump said double suction refers to both sides of the water pump has suction port, and single suction pump only from the side of water absorption, single suction pump flow is small, double suction pump flow larger. The axial flow pump blade is a little like the blade of an electric fan. The axial direction of the axial flow pump is smaller, and the flow rate is relatively large, which is mostly used in the first stage pumping station of the water plant. JC is a deep well pump, with a large lift, but the flow is often not large. Centrifugal pumps are the most widely used at present.

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